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ALBERT

Senior IT Specialist & Backend Systems Engineer

Building enterprise systems that consolidate data, automate workflows, and stay reliable across branches.

Open to work opportunities Tangerang, Indonesia
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Badminton Management & Smart Pairing Automation

2025 • Architect & Developer • Proyek mandiri
  • PHP
  • CodeIgniter 4
  • MySQL
  • Tailwind CSS
  • JavaScript
  • AJAX
  • REST API
  • WhatsApp API

The core of the system is a hybrid scheduling engine with five distinct pairing algorithms: Pure Random, Tier Balanced, Competitive Leaderboard, Circulation Priority, and Anti-Reunion. Each serves a different need, from casual sessions to competitive matches.

  • Virtual Array State Tracking in PHP memory prevents player-concurrency conflicts during multi-game generation, backed by atomic batch processing.
  • A decoupled notification layer wired to a WhatsApp Gateway for guest registration alerts and squad manifest broadcasts.
  • Asynchronous dashboard built with the Fetch API, TomSelect dynamic loading, and Tailwind CSS.

Other Projects

  • Hybrid Distributed POS — Offline-First Point of Sale

    2025 Architect & Developer

    A multi-branch POS system that keeps serving transactions during internet outages, then reconciles data to the cloud once connectivity returns.

    Impact: Outlets stay 100% operational during complete internet outages, and daily cashier closing no longer mismatches between cash, QRIS, and food aggregator channels.

    • Laravel
    • Vue.js
    • IndexedDB
    • WebSocket
    • Capacitor
    • Bootstrap
    • WhatsApp API
    • REST API

  • Mobile HRIS & Multi-Location Geofenced Attendance

    2025 Architect & Developer

    An HRIS and attendance ecosystem for multi-branch companies: per-office geofencing, GPS tracking for field duty, and multi-tier approvals.

    Impact: Attendance recaps, late-arrival fines, and overtime drafts that were previously calculated by hand are now automated, and HR can process approvals without chasing physical documents.

    • Laravel
    • PostgreSQL
    • Vue.js
    • Inertia.js
    • Livewire
    • Capacitor
    • Tailwind CSS
    • WhatsApp API
    • Android